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    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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    <table border="1">
        <tr>
          <td rowspan="2">跨行合并</td>
          <td>普通单元格1</td>
          <td>普通单元格2</td>
        </tr>
        <tr>
          <!-- 跨列合并 -->
          <td colspan="2">跨列合并</td>
        </tr>
        <tr>
          <td>普通单元格3</td>
          <td>普通单元格5</td>
          <td>普通单元格5</td>
        </tr>
      </table>
      
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